Method and arrangement for guiding a user along a target path
First Claim
Patent Images
1. A method of guiding a user along a target path, comprising:
- (a) determining the position of the user relative to the target path; and
(b) providing respective audio cues to the user via left and right audio channels, these cues being indicative of the relative position determined in step (a) and varying in a complementary manner over at least a range of values of said relative position without thereby forming a spatialized virtual sound source the position of which changes with the value of said relative position.
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Abstract
An audio-based guide arrangement is provided for guiding a user along a target path by the use of stereo audio cues. The user'"'"'s current location is sensed and compared to the target path. Sounds are fed to the user through left and right audio channels and these sounds are varied to indicate the user'"'"'s divergence from the target path. In particular, the left and right channel sounds are varied in a complementary manner preferably by increasing the frequency of the sound in one channel whilst simultaneously decreasing the frequency of the sound in the other channel and vice versa.
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Citations
22 Claims
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1. A method of guiding a user along a target path, comprising:
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(a) determining the position of the user relative to the target path; and
(b) providing respective audio cues to the user via left and right audio channels, these cues being indicative of the relative position determined in step (a) and varying in a complementary manner over at least a range of values of said relative position without thereby forming a spatialized virtual sound source the position of which changes with the value of said relative position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An arrangement for guiding a user along a target path, comprising:
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relative-location determining means for determining the position of the user relative to the target path; and
audio-cue means for providing respective audio cues to the user via left and right audio channels, the audio-cue means being arranged to cause these cues to be indicative of the relative position determined by the relative-location determining means and to vary in a complementary manner over at least a range of values of said relative position without thereby forming a spatialized virtual sound source the position of which changes with the value of said relative position. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification